1、MIL-R-238LB LO 744970b 0303845 7 , - MIL -R -23818(yY) 1% Auggst iss, MLLITARY SPECIFICATION RACK, BOMB, MJLTm PRACTICE A/A 37%-3 1. SCOPE This specification has been approved by the Bureau of Naval Weapons, Department of the =KY. 1.1 Scope - This specification contains the requirements for the proc
2、urement of a multiple, practice bomb rack, designated type A/A 3733-3. tion MAK-53/A37B-3, and six release assemblies having the designation The bomb rack consists of a body assembly having the designa- SUK-i8/37B-3 1.2 Classification - The equipment covered by this specifi- cation shall be of one t
3、ype designated as Rack, Bomb, Miltiple Practice A/A 37B-3 herein after referred to as the rack. 2. APPLICABCE llWMWPS $ 2.1 hie following documentstof the iesue in effect on date of invitation for bids, ar requeet for proposal, form a part of thia document to the extent specified herein: / SPECIFICA
4、TIOM iiitary MIL -P -116 KCL-1-6868 Inspection Process, Magnetic Particle Preservation, Methods of MIL-T-7743 Testing, 64A81C42 Block Support 64ici6 Bulkhead Assembly 648117 97-5105 -14s -55 All adjustments shall. be as caled out on applicable drawings. 3.5 Performance - The rack, when mounted on an
5、 aircraft for which designed, shall be capable of suspending and releasing stores in the 0-99 pound class. In ut Power - “he input power to operate and test the rack shall be frm a 28 ld- 3.6 power source with characteristics and limits as defined in StanWd msm-704. 3-7 Operationai environment - Thl
6、s equipment shall perform satis- 3-8 identification of product - 3.8.1 factorily under all applicable conditions specified in Specification MIL-T-7743. Nameplates - Namplates shall be in accordance wlth appll- cable draws which aire listed on DL 64A8l-Al. 3.8.2 Equiprent, assemblies, and parts - Equ
7、ipment, assemblies and parts shall be marked for identification in accordance with Standard MILSTD-PJO. 3.9 Woriananship - The bomb rack shall be fabricated and finished in a irorhmiike manner. defects, burrs, and shmp edges; accuracy of dimensions and marking of parts and assemblies; the alignment
8、of pes and tightness of assembly screws and 4. QUATJTY ASSURANCE PROVISIONS 4.1 in the contractor purchase order, the supplier is responsible for the per- formance of all inspection requirements as specified herein. otherwise specified, the supplier may utilize his own facilities or any com- mercial
9、 laboratory acceptable to the Government. The Government rescnns the right to perfom any of the inspections set forth in the specification where such inspections are deemed necessary to assume supplies and services conform to prescribed requirements . Test Samples - Racks used for preproduction and
10、sampling tests shall not be considered as equipments under the contract. supplied as equipments over and above the quantity specified for delivery. These racks will not be returned to the manufacturar. Particular attention shall be given to freedan from bolts Responsibility for inspection - unless o
11、therwise specified Except a6 4.1.1 They are to be 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-238L LO 7777706 0303848 2 W MIL-R-23818(wEP) Classification of Tests (a) Preproduction tests - Preproduction tests are those tests conducted on
12、racks representative of the equipmnts to be supplied under the contract for the purpose of determining that the sample items met aJJ. the requirements of the applicable specifications. Acceptance tests - Acceptance tests are those tests ac- carplished on racks submitted for acceptance under the cont
13、ract and shall. (b) consist of th following: 1. Individual tests - Individual tests me those tests conducted on each rack submitted for acceptance under contract. complished on a quantity of racks selected as specified herein and which have previously passed individual tests. 2. Sampling tests - Sam
14、pling tests am those tests ac- Preproduction tests - for preproduction tests. tesis of this specification as described under section on test methods. .tests y Offered For Acceptance For Sampling Tests Quantiky to be Selected First 10 1 Next 50 1 Next 100 1 Next 200 1 1 for each additiona 200 or frac
15、tion thereof A lot shall consist of racks produced under essentially the same manufacturing conditions, and submitted for inspection at the same t-. The unit of: inspection shall be one rack. tests shalJ. be conducted at the conditions specified in Specification 4.5 Test conditions - Unless otherwis
16、e specified herein, all MIX -T -7743 4.6 Test Methods - 4.6.1 Assemblies and parts tests - Tests on assenblies and parts shall be performed as shown on applicable drawlngs listed on DL-6481-AL. 4.6.2 deiremine cconpliance with the requirements of this Specification not QQvered by test methods. 4.6.3
17、 Examiriation of product. - Each rack shall be inspected to Vietic particle inspection - All steel parts shall be SIituliaal centerline of each re- lease assembly parallel w$th the 1ongitukLnal centeLSTD-l29. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
18、 IHS-,-,-MIL -R-23818( mp) 6. NOTES 6.1 Intended use - The rack covered by this specification is intended for practice bombs using the stores of the 0-99 pound class. The rack is designed to be used with applicable adapter kits for each type of aircraft as shown on DL 64A8i-A. 6.2 Ordering data - Pr
19、ocurement documents should specify the following: (a) (b) Number of racks required. (c ) Title, number and date of this specification. Required level of packaging and packhg (see para. 5.1). (d) Place OP conducting Preproduction Test (Blnch and Flight Tests ). (e ) (f ) Installation instructions and
20、 handbooks. Quantity and drawing numbers of Kits (if required) 6*3 Adherence to drawings and specifications - Conflict Eliminations - Insofar a6 the contractor is required by provisions of this specification-to adhere rigidly to the drawings listed in paragraph 2.1 as applicable, which may make it i
21、mpractical in some instances, also to comply with the performance and test requirements specified herein, then, in that event, the contractor should promptly notify the procuring activity of such fact, and appropriate changes may be made in the applicable drawings, parts of performance requirements
22、a8 authorized by the procuring activity. &terial and design changes shall be submitted to procuring activity using the procedure specified in Air Force - Navy - Aeronautical Bulletin ANA-445. 6.5 Precedence of documents - When the requirements of the contract, this specification, or applicable subsi
23、diary specifications are in conflict, the following precedence shall apply: (1) Contract - The contract shall have precedence over any specification. (2) This Specification - This specification shall have precedence over ail applicable subsidiary specifications. Any deviation from this specification
24、, or from subsidiary specifications where appli- cable, shall be specifically approved in writing by the procuring activity. (3) Referenced Specifications - Any referenced specifi- cation shall have precedence over all applicable subsidiary specifications referenced therein. All referenced specifications shall apply to the extent specified. 9 -. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
